402 Union Avenue, Brooklyn
Condominium · 6 units · built 2025 · Block 2767, Lot 7507.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $1,249,201
- 2026–27 tax
- $147,137
- Market value (city estimate)
- $2,776,000
- Taxable value
- $1,182,864
- Assessed land
- $61,201
- Assessed improvements
- $1,188,000
- Condo units with their own tax lots
- 6
Zoning
R7A: floor area ratio 5.99 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 10, 2026: $2,900,000, Apt PH1
- Mar 30, 2026: $1,970,000, Apt 2
- Feb 17, 2026: $1,817,000, Apt 1
- Feb 13, 2026: $2,750,000, Apt PH2
- Jan 7, 2026: $1,995,000, Apt 3
- Dec 22, 2025: $2,030,000, Apt 4
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
402 Union Avenue Tops Out in Williamsburg, Brooklyn, New York YIMBY, Mar 18, 2025.